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Home >> Jeep >> 2021 >> Grand Cherokee L Laredo, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (5.7L - Engine (Service Information)) >> Cylinder Head >> Diagnosis And Testing >> Cylinder Head Gasket Failure >> Cylinder-To-Water Jacket Leakage Test >> Chemical Test Method

Chemical Test Method

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Combustion leaks into the cooling system can also be checked by using the Bloc-Chek Kit (special tool #C-3685-A, Bloc-Chek Kit) or equivalent. Perform the test following the procedures supplied with the tool kit.